Michael Grenfell is Professor of Education at Trinity College Dublin. His background is in French Studies and his research interests lie in education, language teaching and sociology, focusing particularly on the application of Pierre Bourdieu's work to a range of research topics. He knew and collaborated with Bourdieu for over twenty years and was three times 'visiting scholar' at the Ecole des Hautes Etudes in Paris. He is the author of Bourdieu and Education: Acts of Practical Theory (with David James, 1998), Bourdieu: Agent Provocateur (2004), Bourdieu, Education and Training (2007), Arts Rules: Bourdieu and the Visual Arts (with Cheryl Hardy, 2007), Bourdieu, Language and Linguistics (2007) and Bourdieu: Key Concepts (2012).

Frederic Lebaron has been Professor of Sociology at the University of Versailles-Saint-Quentin-en-Yvelines (UMR Professions-Institutions- Temporalites) since September 2013, following sixteen years at the University of Picardie-Jules Verne in Amiens, where he directed the Centre Universitaire de Recherches sur l'Action publique et le Politique, Epistemologie et Sciences Sociales. He specializes in social sciences methodology, economic sociology, political sociology and social inequality. His books include Lectures de Pierre Bourdieu (with Gerard Mauger), Les indicateurs sociaux au XXIeme siecle, La crise de la croyance economique and Le savant, le politique et la mondialisation.